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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Geoid - Journal of Geodesy and Geomatics
Ira Mutiara Anjasmara, Ira Mutiara
Institut Teknologi Sepuluh Nopember
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Engineering Environmental Science Materials Science & Nanotechnology Physics

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Journal : Jurnal Penelitian Pendidikan IPA (JPPIPA)

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Fault Identification Using Satellite Imagery, Gravity, and Seismicity Data on Lombok Island Aryanto, Muhammad; Anjasmara, Ira Mutiara; Maulida, Putra
Jurnal Penelitian Pendidikan IPA Vol 11 No 9 (2025): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i9.12533

Abstract

Lombok Island has a high level of earthquake vulnerability due to local tectonic activities. Although most earthquakes on land have small magnitudes (M < 5), their proximity to settlements has the potential to cause significant impacts. This study aims to identify the potential for active faults using a multi-data approach, specifically utilizing gravity anomaly data from GGMplus. In addition, Sentinel-1 data is used for surface lineament extraction and DEMNAS for topography. Analysis of gravity data utilizing GGMPlus reveals that the Batujahe Fault exhibits thrust faulting characteristics, whereas the South Lombok Fault displays normal faulting behavior. Automated lineament extraction yielded a total of 54 surface structural lineaments within the study area, spanning a cumulative length of 478 km. These results provide a shorter fault length than the existing fault map. Statistical analysis of the extracted lineaments revealed three dominant trends: N-S, NE-SW, and NW-SE, with the N-S trend being the most predominant. Notably, these findings diverge from prior studies, which classified the Batujahe Fault as a strike-slip fault and the South Lombok Fault as a thrust fault, underscoring the complexities of fault dynamics in the region, however derivative methods fail to detect the Alas Strait strike-slip fault.
Co-Authors . , Khomsin ., Khomsin Adi, Fajar Setio Aisya, Nurnaning Akbar Kurniawan Amien Widodo Andi Rahmadiansah Aninda Nurry, Aninda Anita Thea Saraswati, Anita Thea Awange, Joseph L. Budi Joko Purnomo, Budi Joko Cahyadi , Mokhamad Nur Dedi Aji Kuncara, Dedi Aji Hartikasari, Risca Khomsin Khomsin, Khomsin Koeswoyo, Tio Lukman Hakim Maulida, Putra Meiriska Yusfania Mu'amalah, Arifatul Muhamadi , Mansur MUHAMMAD ARYANTO MUHAMMAD TAUFIK Muthmainnah, Nisaa Ul Pratomo, Danar Guruh Rahayu, Safri Yanti Riastama, Cindy Nandya Ristanto, Wahyu Romadhon, Rizky Safira, Rizka Amelia Dwi Sanjiwani, I Dewa Amertha Sidharta, Yan Adrian Silaban, Enjelius Sulaiman, Mukhammad Nur Syahputri, Bella Esti Ajeng Ulin, Rizki Fahrudin Widy Putra, Widy